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图1-1-4 80c51系列单片机qfp44封装引脚结构
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80c51单片机引脚图
谁能告诉我下单片机80c51的各引脚的作用?
80c51单片机介绍80c51单片机引脚图功能介绍
80c51 pcb80c51bh-3p dip40质优价廉cmos单芯片8位微控制器
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ts80c51ra1
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